---
title: How to switch off read /write antenna in BIS M-4008 Processor?
description: Switch off read /write antenna in BIS M-4008 processor
---

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# How to switch off read /write antenna in BIS M-4008 Processor?

## Switch off read /write antenna in BIS M-4008 processor

In normal operation the read/write head antenna is turned on. Setting the KA bit turns the

antenna off.

 

![](https://kb.innovatingautomation.asia/hs-fs/hubfs/image-png-Dec-01-2020-04-34-37-00-AM.png?width=570&name=image-png-Dec-01-2020-04-34-37-00-AM.png)

 

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